4 Channel Cameras Bus Truck AHD Mini SD Card Mobile DVR Support GPS 3G4G
4 Channel Cameras Bus Truck AHD Mini SD Card Mobile DVR FEATURES:
Built-in high performance Hisilicon chipsets, coded with H.264 standard, high compression rate and image quality
4CH AV Inputs with AHD/TVI/CVI/960H/D1/CIF optional, 1CH synchronized AV output,
4CH local recording with 720P resolution in real time
Power:
Professional In-Vehicle power design, 9-36V DC Wide Voltage Range
Multi protection circuits like under-voltage, short, reversed plug-in
Smart power management system, shutdown under low voltage, low consumption when standby
Data Storage:
Using special file management system to encrypt and protect the data
Using proprietary SD card bad track detecting technology, can make sure the video continuity and prolong the SD card life
Built-in ultracapacitor, avoid data loss and sd card damage by sudden power drop
Support SD card storage, maximum 128G
Interface Transmission:
Support GPS/BD optional, high sensitivity, fast positioning
4 Channel Cameras Bus Truck AHD Mini SD Card Mobile DVR Support GPS 3G4G technical Parameter:
| Item | Device parameter | Performance |
| System | Main processor | Hi3520DV200 |
| Operating system | Embedded Linux OS |
| Operating language | Chinese/English |
| Operating interface | GUI, Support mouse |
| Password security | User password/Admin password |
| Audio & Video | Video standard | PAL/NTSC |
| Compression standard | H.264 |
| Image resolution | 720P /960H/D1/CIF |
| Playback quality | 720P /960H/D1/CIF |
| Decoding ability | 1ch 720P real time |
| Recording quality | Class 1-6 optional |
| Image display | Single/QUAD display optional |
| Audio Compression | G.726 |
| Audio recording | Audio & Video synchronized recording |
| Recording & Playback | Recording mode | Manual/Alarm |
| Video bit rate | Full frame 4096Mbps,6 classes image quality optional |
| Audio bit rate | 8KB/s |
| Storage media | SD card storage |
| Video inquiry | Inquiry by channel/Recording type |
| Local playback | Playback by file |
| Firmware upgrading | Upgrading mode | Manual/Automatic/Remote |
| Upgrading method | USB disk/Wireless network |
| Interface | AV input | 4ch aviation interface |
| AV output | 1ch aviation AV output |
| Alarm input | 4 digital inputs(2 Positive trigger, 2 negative trigger) |
| SD card | 1 SDXC High speed card (up to 256G) |
| USB interface | 1 USB 2.0(Support operating by USB mouse only,USB replay plug-in detect) |
| Ignition input | 1 ACC Signal |
| UART | 1 LVTTL Level |
| LED Indication | PWR/RUN |
| SD card lock | 1 |
| Debug port | 1 |
| Function extention | GPS | Support detecting antenna Plug in/Unplug/Short circuit |
| Others | Power input | 8V~36V DC |
| Power consumption | Standby 4mA Maximum consumption 1120mA |
| Working temperature | -20 ~ 70℃ |
| Storage | 720P 24G/day/channel 960H 750M/hour/channel |
| Dimension | 140*125*25(mm) |
4 Channel Cameras Bus Truck AHD Mini SD Card Mobile DVR Support GPS 3G4G Front and Back Panel:
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4 Channel Cameras Bus Truck AHD Mini SD Card Mobile DVR Support GPS 3G4G Images
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